{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the requirements for the evidence storage module in the blockchain?","a":"Consensus mechanism: The evidence storage module needs to adopt an appropriate consensus mechanism to ensure the integrity and security of the blockchain network. This can help prevent malicious attacks and maintain the  stability of the system."}]}],"pr":"3f3449af9de36ebdca62fdc1762d83179ca238c3f4d559769d4a39c9ef0dfcdc"}